;[38 BRYACE^. [Grimmia. 



late. Peristome none, or composed of sjilit and i^erf orated teeth. 

 Annulus distinct. 



8. Gr. anodon, Brucli & Schimp. Plants in dense slender 

 whitish hairy tufts : lower leaves small, loosely imbricate, ovate- 

 lanceolate, blunt at the apex; upper and perichsetial leaves 

 much larger, oblong-lanceolate, concave, plane on the borders, 

 passing into a more or less elongated serrate hairy point : 

 capsule ovate-globose, ventricose, thin-walled, enlarged at the 

 orifice when empty ; lid large, plano-convex, umbouate ; 

 annulus simple. — Bryol. Eur. t. 236 ; Muell. Syn. i. 780. 



II AB. Limestone rocks, base of the East Humboldt Mountains, Nevada 

 (Watson); Morriston, California, and Ogden, Utah (Lupham); Canon 

 City, Colorado (nmnderjee); St. John, New Brunswick (James). 



9. G. plagiopodia, Hedw. Plants short, loosely adhering 

 in compact grayish green tufts : lower leaves imbricate, oval- 

 oblong, obtuse, the upper larger, acuminate, prolonged into a 

 hair-point, concave, flat on the borders ; costa vanishing below 

 the apex : capsule oblong, wide-mouthed when empty ; teeth 

 lacerate and filiform, laciniate above, entire from the middle 

 downward, spreading open when dry, dark orange ; annulus 

 double, persistent. — Spec. Muse. 76, 1. 15 ; Bryol. Eur. t. 236. 



Var. pilifera. Stems erect : the upper and especially the 

 perichffitial leaves with a longer hair-point; perigonial leaves 

 lono-er, the inner ones ovate-acute, the outer with a short hair- 

 point. — G. Brandegei, Aust., Bull. Torr, Club, vi. 45 (?). 



Hab. The variety on rocks in the Rocky Mountains, Colorado (E. 

 Hall, Brandegee); on a fossil bone, Missouri (Cope); Ontario, Canada 

 (Macoun). 



Of G. Brnndegei, Austin, we have seen only a sterile plant, agreeing 

 exactly with those of the variety described above, and the characters 

 taken from the fruit, as described, are exactly those of G. plagiopodia. 



Subgenus IV. GRIMMIA, proper. 

 Leaves hair-pointed. Calyptra lobate-mitriform. Capsule 

 regular, emergent or exserted on an arcuate-pedicel. Teeth 

 cribrose or lacunose. 



* Flowers monoecious. 



10. G. pulvinata, Smith. Plants glaucous green or gray, 

 pulvinate : lower leaves lanceolate-acuminate, the upper oblong- 

 lanceolate, narrowed or rounded to a slightly rough hair-point : 



